2-[4-[Di(2-ethoxycarbonyloxyethyl)amino]phenylazo]-4,6-dichlorobenzothiazole

2-[4-[N,N-Bis[2-(ethoxycarbonyloxy)ethyl]amino]phenylazo]-4,6-dichlorobenzothiazole

ethyl 5-[4-[(4,6-dichlorobenzothiazol-2-yl)azo]phenyl]-9-oxo-2,8,10-trioxa-5-azadodecanoate